Question

In reference to a cylindrical polar coordinates (r, theta, z), a particle of a charge q and momentum p is moving in an electric potential o(r). Then, which of the following is conserved? (a) p(r),(b) p(theta), (c) p(z), (d) r×p(theta).​

Answer 1

Answer:

I think option (d) is correct.

Explanation:

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